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Math · Age 9 · Geometry

Classifying Triangles by Sides (Ex. 1)

Classify triangles as equilateral, isosceles, or scalene based on their side lengths.

Module

Geometry

Age

Age 9

Duration

8 min

Questions

5

What's in this exercise

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  1. Question 1

    Multiple choice

    A triangle with all three sides of equal length is called ___.

  2. Question 2

    Multiple choice

    A triangle with exactly two equal sides is called ___.

  3. Question 3

    Multiple choice

    A triangle with sides of 5 cm, 7 cm, and 9 cm is a ___ triangle.

  4. Question 4

    Sequence

    An equilateral triangle has all sides equal. Each side is 6 cm. Complete the perimeter: 6 + 6 + ___ = 18 cm.

  5. Question 5

    True or false

    A scalene triangle has three sides all of different lengths.

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